Home / 215,036.76-322,554.78-57,265.68

Finding the Fourth Proportional to 215,036.76, 322,554.78 and 57,265.68

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Solution

The fourth proportional to 215,036.76, 322,554.78 and 57,265.68 is: 85,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,036.76 : 322,554.78 = 57,265.68 : x
  2. Step 2: Convert to fraction form
    215,036.76/322,554.78 = 57,265.68/x
  3. Step 3: Cross multiply
    215,036.76x = 322,554.78 × 57,265.68
  4. Step 4: Simplify right side
    215,036.76x = 18,471,318,813.95
  5. Step 5: Solve for x
    x = 18,471,318,813.95/215,036.76
  6. Step 6: Final answer
    x = 85,898.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.